Ivy 2
type: MusicGroup
popularity: 4
followers: 196
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66c51ea5e02bb1bb6593eca263a59fc4833f2bde00ac6815d41bec2f8b7e057f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fef16470-ef8f-4743-b2da-44f759ee7986.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fef16470-ef8f-4743-b2da-44f759ee7986.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fef16470-ef8f-4743-b2da-44f759ee7986
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T20:46:40Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x66c51ea5e02bb1bb6593eca263a59fc4833f2bde00ac6815d41bec2f8b7e057f","name":"Ivy 2","registered_at":"2026-06-21T18:30:25Z","symbol":"NIM2002157","token_address":"0x594f47fdf2eb6af98af098deb4aa4feeb621a7a7","type":"artist","uuid":"fef16470-ef8f-4743-b2da-44f759ee7986"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66c51ea5e02bb1bb6593eca263a59fc4833f2bde00ac6815d41bec2f8b7e057f. Chain 2 (Bitcoin): anchored in block 954742 (2026-06-21T20:46:40Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fef16470-ef8f-4743-b2da-44f759ee7986.json and https://artists.proofprofile.net/proofs/artist/fef16470-ef8f-4743-b2da-44f759ee7986.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T20:46:40Z
  text: {"copyright_id":"0x66c51ea5e02bb1bb6593eca263a59fc4833f2bde00ac6815d41bec2f8b7e057f","name":"Ivy 2","registered_at":"2026-06-21T18:30:25Z","symbol":"NIM2002157","token_address":"0x594f47fdf2eb6af98af098deb4aa4feeb621a7a7","type":"artist","uuid":"fef16470-ef8f-4743-b2da-44f759ee7986"}
album: Light
  type: MusicAlbum
  date published: 2022-07-29
album: Domino
  type: MusicAlbum
  date published: 2023-08-01
  track: Domino
    type: MusicRecording
    duration: PT3M41S
    duration ms: 221655
    explicit: false
    by artist: Ivy 2
    in album: Domino
      type: MusicAlbum
      date published: 2023-08-01
    isrc code: TCAHD2357295
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T23:56:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5e51c1f6c5e87ac16573ed421427a43395cd1f5c8a13c66232606b4cd4e42bb7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958340
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958340
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHD2357295
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T00:53:26Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e51c1f6c5e87ac16573ed421427a43395cd1f5c8a13c66232606b4cd4e42bb7. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHD2357295.
      date published: 2026-07-17T00:53:26Z
    audio: Domino
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.02
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.638
      additional property: Energy
        type: PropertyValue
        value: 0.63
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.533
      additional property: Liveness
        type: PropertyValue
        value: 0.108
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.96
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.703
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: NARS
  type: MusicAlbum
  date published: 2024-07-30
album: Running
  type: MusicAlbum
  date published: 2024-09-05
album: Dream Voice
  type: MusicAlbum
  date published: 2024-09-30
album: Less Precious
  type: MusicAlbum
  date published: 2024-10-04